Hi Gabor,
Thanks for the reply and link.
I took a look at the link -- one thing I don't understand is why if I delete
the 'http_proxy' variable via the cmd shell (or equivalent OS dialog box), why
I can get R to ignore the proxy, but using Sys.setenv("http_proxy"="") won't do
that for me (at least for the scope of the session). If there were other
variables affecting it, I would think my deleting 'http_proxy' in the OS would
also have no effect -- yet it does.
Any ideas?
Thanks again,
Matt
-----Original Message-----
From: Gabor Grothendieck [mailto:[EMAIL PROTECTED]
Sent: Tue 5/29/2007 9:49 PM
To: Pettis, Matthew (Thomson)
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] http proxies: setting and unsetting
Note that Windows XP has 4 types of environment variables and I suspect
that the problem stems from not taking that into account:
http://www.microsoft.com/technet/scriptcenter/guide/sas_wsh_kmmj.mspx?mfr=true
On 5/29/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I am trying to use R at work and at home on the same computer. At work, I
> have a proxy, and at home, I do not. I have, for work, a User environment
> variable "http_proxy" which I set in the OS (Windows XP Pro). When I am at
> work, and I try to retrieve data from the web with 'read.csv', things work
> just fine. I assume it knows how to use the proxy.
>
> The trouble is when I am at home and have no proxy, R still tries to use my
> work proxy. I have tried the following:
>
> Sys.setenv("http_proxy"="")
> Sys.setenv("no_proxy"=TRUE)
> Sys.setenv("no_proxy"=1)
>
> none of which seems to work. Whenever I try to use read.csv, it tells me
> that it cannot find my work proxy, which I am trying to tell R to ignore.
>
> I can solve this problem by removing the http_proxy environment variable
> binding in the OS when at home, but that is a pain, because then I have to
> reset it when I go back into work.
>
> Is there a way to tell R within a session to ignore the proxy? If so, what
> am I doing wrong?
>
> thanks,
> matt
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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>
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